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• AMS Tesi di Dottorato - Alm@DL - Università di Bologna (1)
• Archive of European Integration (9)
• Avian Conservation and Ecology - Eletronic Cientific Hournal - Écologie et conservation des oiseaux: (1)
• Biblioteca de Teses e Dissertações da USP (1)
• Biblioteca Digital | Sistema Integrado de Documentación | UNCuyo - UNCUYO. UNIVERSIDAD NACIONAL DE CUYO. (2)
• Biodiversity Heritage Library, United States (28)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (52)
• Brock University, Canada (56)
• CentAUR: Central Archive University of Reading - UK (7)
• Central European University - Research Support Scheme (1)
• Comissão Econômica para a América Latina e o Caribe (CEPAL) (5)
• Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (13)
• Cor-Ciencia - Acuerdo de Bibliotecas Universitarias de Córdoba (ABUC), Argentina (2)
• CUNY Academic Works (41)
• Dalarna University College Electronic Archive (1)
• Digital Commons - Michigan Tech (1)
• Digital Commons @ DU | University of Denver Research (2)
• Digital Commons at Florida International University (2)
• Digital Peer Publishing (1)
• DigitalCommons - The University of Maine Research (1)
• DigitalCommons@The Texas Medical Center (1)
• DigitalCommons@University of Nebraska - Lincoln (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (1)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (2)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (12)
• Harvard University (268)
• Instituto Politécnico do Porto, Portugal (1)
• Memoria Académica - FaHCE, UNLP - Argentina (22)
• Ministerio de Cultura, Spain (2)
• Portal de Revistas Científicas Complutenses - Espanha (1)
• Publishing Network for Geoscientific & Environmental Data (8)
• QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (1)
• Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (3)
• School of Medicine, Washington University, United States (18)
• Scielo Saúde Pública - SP (1)
• Universidad Autónoma de Nuevo León, Mexico (4)
• Universidad de Alicante (1)
• Universidad del Rosario, Colombia (7)
• Universidad Politécnica de Madrid (3)
• Universidade Federal do Rio Grande do Norte (UFRN) (1)
• Universitat de Girona, Spain (1)
• Universitätsbibliothek Kassel, Universität Kassel, Germany (1)
• Université de Lausanne, Switzerland (9)
• Université de Montréal, Canada (3)
• Université Laval Mémoires et thèses électroniques (1)
• University of Connecticut - USA (2)
• University of Michigan (337)
• University of Queensland eSpace - Australia (7)
• University of Southampton, United Kingdom (1)
• USA Library of Congress (43)